1831189152 has 48 divisors (see below), whose sum is σ = 5176634400. Its totient is φ = 563442432.

The previous prime is 1831189147. The next prime is 1831189177. The reversal of 1831189152 is 2519811381.

It is a tau number, because it is divible by the number of its divisors (48).

It is a Harshad number since it is a multiple of its sum of digits (39).

It is a self number, because there is not a number n which added to its sum of digits gives 1831189152.

It is an unprimeable number.

It is a polite number, since it can be written in 7 ways as a sum of consecutive naturals, for example, 732402 + ... + 734897.

It is an arithmetic number, because the mean of its divisors is an integer number (107846550).

Almost surely, 2^1831189152 is an apocalyptic number.

1831189152 is a gapful number since it is divisible by the number (12) formed by its first and last digit.

It is an amenable number.

1831189152 is an abundant number, since it is smaller than the sum of its proper divisors (3345445248).

It is a pseudoperfect number, because it is the sum of a subset of its proper divisors.

1831189152 is a wasteful number, since it uses less digits than its factorization.

1831189152 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 1467325 (or 1467317 counting only the distinct ones).

The product of its digits is 17280, while the sum is 39.

The square root of 1831189152 is about 42792.3959600301. The cubic root of 1831189152 is about 1223.4260840532.

The spelling of 1831189152 in words is "one billion, eight hundred thirty-one million, one hundred eighty-nine thousand, one hundred fifty-two".